"I just put it in at one of the rehearsals, a sort of interlude. It's
hard to explain -- I haven't explained it to myself yet. It's like
vo-de-o-do, Crosby with boo-boo-boo, and Durante with cha-cha-cha." --
Helen Kane, explaining the creation of her "boop-boop-a-doop" signature
phrase.